Introduction The Fourth Symposium on Sediment/Water Interactions was held in Melbourne, Australia, February 16-20th, 1987. The previous three symposia were held in Amsterdam, Kingston (Ontario), and Geneva, In keeping with the approach established in Geneva, contributions addressed sediment/water interactions related to both fresh and salt water conditions. More than 160 papers were given in Melbourne, including more than 20 poster presentations, and collected Abstracts are available from Dr. B. T. Hart. A total of 51 papers, subsequently, have been published as proceedings of the Melbourne...

P. G. Sly Canada Centre Inland Waters, P.O. Box 5050, Burlington, Ontario L7R 4A6, Canada Keywords: symposium, sediments, freshwater Following the highly successful First Symposium work of the symposium: on Research into the Interactions between Sedi- I. Summary of sediment dynamics and distribu- ments and Freshwater held in Amsterdam, in 1976, tion in fluvial and lacustrine environments. it was decided that a second symposium in this 2. Land use effects on sediment yields,and quality. series should be held to continue the discussions on 3. Sediments in mass balance models, including progress...